It's entirely possible that sending the audience out feeling lousy was intentional

There are moments in this movie where the great movie it could've been peek out... They're fleeting, here, but they're worth savoring, and they happen often enough to make it worth your while.

It is an exhilarating, distressing, funny and profound film, with one of the more memorable film scores in years,

It is neither dumb nor smart enough to be fun, and spends way too much time with its boring human characters.